218. Сравните: а) 506 и -509; б) -6,2 и -6,8; в) -0,001 и -0,0001; г) -\frac{5}{6} и -1 \frac{1}{6}; д) -\frac{9}{14} и -\frac{13}{21}; е) -1 \frac{5}{8} и -1 \frac{11}{16}.

а) 506 > -509 б) -6,2 > -6,8 в) -0,001 < -0,0001 г) -\frac{5}{6} = -\frac{5}{6}; -1 \frac{1}{6} = -\frac{7}{6}; -\frac{5}{6} > -1 \frac{1}{6} д) -\frac{9}{14} = -\frac{27}{42}; -\frac{13}{21} = -\frac{26}{42}; -\frac{9}{14} < -\frac{13}{21} е) -1 \frac{5}{8} = -1 \frac{10}{16}; -1 \frac{11}{16}; -1 \frac{5}{8} > -1 \frac{11}{16}